%0 Journal Article
%A M. L. Gorbachuk
%A A. N. Kochubei
%T Selfadjoint boundary value problems for certain classes of differential- operator equations of higher order
%J Doklady Akademii Nauk
%D 1971
%P 1029-1032
%V 201
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1971_201_5_a4/
%G ru
%F DAN_1971_201_5_a4